CN215238980U - Automatic welding equipment for radiator - Google Patents

Abstract

The utility model discloses automatic welding equipment for radiators, which comprises an electrode action unit, wherein both sides of the electrode action unit are provided with transverse pipe shaping devices, and the side part of the electrode action unit, which corresponds to one end of a workpiece discharging end, is provided with a longitudinal pipe shaping device; the side part of the electrode action unit corresponding to the feeding end of the workpiece is provided with a longitudinal tube feeding unit; the electrode action unit is arranged on the upper part of the transverse pipe; the utility model can improve the automation degree of the equipment, reduce the labor input and improve the production efficiency; the welding of the radiator with the transverse steel pipe arranged on one side and the welding of the radiator with the transverse steel pipe arranged on two sides can be realized, and the equipment applicability is high; the automatic feeding of the longitudinal steel pipe and the automatic loading of the transverse steel pipe can be realized, and the accuracy of the welding hole position positioning is improved; the automatic shaping can be realized, the shaping effect is good, and after one transverse steel pipe is welded, the longitudinal steel pipe and the transverse steel pipe are shaped once respectively, so that the product deformation is effectively reduced.

Description

Automatic welding equipment for radiator

Technical Field

The utility model relates to a radiator automation of welding equipment belongs to radiator welding equipment technical field.

Background

The heating radiator is the end device of the heating system. The common heating radiator is installed indoors and is used for transferring heat carried by a heating medium to air in a room so as to compensate heat consumption of the room and achieve the purpose of maintaining a certain air temperature of the room. To accomplish this, the heating radiator must have the conditions of being able to withstand the pressure of the heat medium delivery system, having good heat transfer and dissipation capabilities, being able to be installed indoors, and having a necessary service life.

The radiation heating radiator is widely applied to heating of living environment, and at present, the most widely applied radiation heating radiator, as shown in fig. 19, includes a longitudinal pipe group 100 and a transverse pipe group 200 cross-welded and fixed on the longitudinal pipe group 100, the longitudinal pipe group 100 includes two longitudinal steel pipes arranged in parallel at intervals, which are respectively a water inlet pipe and a water outlet pipe of the radiator, the transverse pipe group 200 has a plurality of groups, two adjacent groups of transverse pipe groups 200 are arranged on the same side of the longitudinal pipe group 100 or are arranged on two sides of the longitudinal pipe group 100 in a staggered manner; the horizontal pipe group 200 can be arranged on the vertical pipe group 100 on one side or on two sides of the vertical pipe group 100, the horizontal pipe group 200 comprises a plurality of horizontal steel pipes which are arranged in parallel at intervals, the number of the horizontal steel pipes in the horizontal pipe group 200 is more than 3, and the horizontal steel pipes are used as radiating pipes and are arranged at intervals along the length direction of the vertical steel pipes; the welding position of the horizontal steel pipe and the longitudinal steel pipe is provided with a hole to ensure the circulation of the medium in the pipe.

The radiator is generally manufactured in a welding mode, and when the radiator is welded in the prior art, manual welding is usually adopted or welding equipment is adopted for welding, so that the manual welding efficiency is low, the safety risk is high, the labor intensity is high, the requirement on the skills of welding personnel is high, and the welding quality is uneven due to human factors. When welding equipment is adopted for welding, the existing welding equipment has the following problems in actual use:

1. the existing welding equipment can only carry out single-side welding, the welding can be finished on the radiator only provided with the transverse steel pipes on one side, but the welding can not be realized on the radiator with the transverse steel pipes on both sides, after one side is welded, the other side needs to be welded manually, or the radiator is sent to another special welding equipment for welding, the equipment applicability is poor, and a welding piece needs to be transferred in the middle, so that the welding efficiency is reduced, and the welding quality can be influenced.

2. The existing welding equipment has low automation degree, for example, feeding of longitudinal steel pipes, feeding of transverse steel pipes and the like are manually completed, and manual feeding are adopted, so that on one hand, the labor intensity is high, time and labor are wasted, and the working efficiency is low; on the other hand, the welding positions of the longitudinal steel pipe and the transverse steel pipe are not accurately positioned, and the welding quality is influenced.

3. After the longitudinal steel pipe and the transverse steel pipe are welded, the transverse steel pipe and the longitudinal steel pipe can generate slight deformation such as bending and distortion due to the influence of welding stress, the quality of a radiator can be influenced without correction, in the prior art, the deformation is generally reshaped and corrected by manpower after all the transverse steel pipes are completely welded, on one hand, the longitudinal steel pipe and the transverse steel pipe can have certain deformation after one transverse steel pipe is welded every time, so that the longitudinal steel pipe can not be kept straight in the welding process, the deformation is overlarge, the later-stage integral reshaping is difficult, and the product is easily damaged by the integral reshaping; on the other hand, the manual shaping is time-consuming and labor-consuming, the labor intensity is high, the influence of human factors is large, and the shaping effect is not good.

4. The material of different batches of steel pipes has the difference, need match different welding pressure and just can guarantee better welding effect, and current welding equipment welding pressure is certain, can not adapt to the material difference that different batches of steel pipe exists, leads to welding quality to descend, influences the quality of product.

In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to above not enough, provide a radiator automatic weld equipment, can realize following purpose:

1. the automation degree of the equipment can be improved, the labor input is reduced, the production cost is reduced, the production efficiency is improved, and the product quality is improved.

2. The welding of the radiator with the transverse steel pipe arranged on one side and the welding of the radiator with the transverse steel pipe arranged on two sides can be realized, the applicability of the equipment is improved, and the welding efficiency is improved;

3. the automatic feeding of the longitudinal steel pipe and the automatic loading of the transverse steel pipe can be realized, the positioning accuracy of welding hole positions is improved, and the welding quality is improved;

4. the automatic shaping can be realized, the damage of human factors to products in the shaping process is reduced, the shaping effect is good, and after one transverse steel pipe is welded, the longitudinal steel pipe and the transverse steel pipe are respectively shaped once, so that the deformation of the products is effectively reduced, and the welding quality is improved;

5. the welding pressure can be adjusted, the difference of the materials of different batches of steel pipes is adapted, and the welding quality is improved.

For solving the technical problem, the utility model discloses a following technical scheme: the automatic welding equipment for the radiator comprises an electrode action unit, wherein horizontal pipe shaping devices are arranged on two side parts of the electrode action unit, and a longitudinal pipe shaping device is arranged on the side part of the electrode action unit, which corresponds to one end of a workpiece, for discharging;

the electrode action unit is arranged on the side part of one end, corresponding to the workpiece feeding, of the electrode action unit;

the electrode action unit is arranged on the upper part of the transverse pipe;

the electrode action unit welds the transverse steel pipe of the radiator to the longitudinal steel pipe, and the longitudinal pipe shaping device and the transverse pipe shaping device respectively shape the longitudinal steel pipe and the transverse steel pipe after each welding of one transverse steel pipe.

Furthermore, the electrode action unit comprises an electrode action component, a workpiece lifting component and two transverse pipe supporting components which are symmetrically arranged, wherein the electrode action component is used for realizing welding action;

the workpiece lifting assembly is arranged on one side of the electrode action assembly corresponding to the workpiece feeding direction;

the transverse pipe supporting component is arranged on the other side of the electrode action component, which corresponds to the workpiece lifting component;

the transverse pipe supporting component is used for supporting a welded transverse steel pipe; when the radiators with the two sides of the transverse steel pipe are welded, the workpiece lifting assembly is used for lifting the workpiece with the welded transverse steel pipe on one side.

Furthermore, the longitudinal pipe feeding unit comprises two positioning shafts which are arranged in parallel at intervals; one end of the positioning shaft is fixed on the fixed seat, and the other end of the positioning shaft is suspended in the air; the fixing seat is fixed at one end of the positioning shaft seat, the positioning shaft seat is fixed on the first seat plate, and the first seat plate is arranged on the support in a sliding mode.

Further, indulge pipe shaping device includes first shaping block, the shaping block is fixed on the connecting plate, the top and the guiding axle fixed connection of connecting plate, the upper end of guiding axle passes through the piston rod fixed connection of adapter sleeve and third hydro-cylinder, drives first shaping block downstream through the third hydro-cylinder and applys decurrent pressure to indulging the steel pipe, realizes the plastic.

Further, electrode action subassembly is including the last electrode and the bottom electrode that cooperate the setting, last electrode and bottom electrode all are connected with the transformer, last electrode and bottom electrode all can reciprocate.

Further, violently manage shaping device and include second shaping block, second shaping block passes through the second backup pad to be fixed on elevating assembly, drives second shaping block through elevating assembly and reciprocates, realizes the plastic to horizontal steel pipe.

Furthermore, the transverse pipe upper part device comprises a pneumatic clamping jaw, the clamping jaw is used for grabbing a transverse steel pipe, the pneumatic clamping jaw is arranged on the lifting mechanism, and the lifting mechanism drives the grabbing mechanism to move up and down; the lifting mechanism is arranged on the horizontal moving mechanism, and the lifting mechanism and the grabbing mechanism are driven by the horizontal moving mechanism to move horizontally together.

Further, the workpiece lifting assembly comprises a first supporting plate, and the first supporting plate is fixed on a telescopic rod of the first air cylinder;

the transverse pipe supporting assembly is arranged on the third guide rail in a sliding mode; the transverse pipe bearing assembly comprises a second supporting plate, the second supporting plate is fixed at one end of the supporting plate, the other end of the supporting plate is fixed on a telescopic rod of a second cylinder, and the second cylinder is arranged on a third guide rail in a sliding mode through a side fixing plate.

Furthermore, a first groove is formed in the bottom surface of the upper electrode; the top surface of the lower electrode is provided with two second grooves which are vertical to the first grooves;

the lower electrode is provided with a plurality of third grooves which are vertical to the second grooves, the third grooves are uniformly arranged at intervals along the length direction of the second grooves, the third grooves divide the second grooves into discontinuous sections, and the distance between every two adjacent third grooves corresponds to the distance between every two adjacent transverse steel pipes on the radiator; the third groove is an open groove with a square cross section.

Furthermore, the upper electrode comprises two electrodes with the same size and shape, and a gap is arranged between the two electrodes; the two electrodes are respectively fixed on an upper electrode seat, the upper electrode seat is fixed on an upper electrode connecting plate, and the upper electrode connecting plate is connected with the transformer through upper electrode flexible connection and a conductive plate;

the lower electrode is fixed on a lower electrode connecting plate, and the lower electrode connecting plate is connected with the transformer through a lower electrode flexible connection and a conductive plate;

the upper electrode connecting plate is mounted on the upper driving assembly in an insulating mode, and the lower electrode connecting plate is mounted on the lower driving assembly in an insulating mode.

The utility model adopts the above technical scheme after, compare with prior art, have following advantage:

the utility model discloses degree of automation that can improve equipment reduces artifical input, and reduction in production cost improves production efficiency, improves product quality.

The utility model can realize the welding of the radiator with the horizontal steel pipe arranged on the single surface and the welding of the radiator with the horizontal steel pipe arranged on the double surfaces, thereby improving the applicability of the equipment and the welding efficiency;

the utility model can realize the automatic feeding of longitudinal steel pipes and the automatic loading of transverse steel pipes, improve the accuracy of welding hole position positioning and improve the welding quality;

the utility model can realize automatic shaping, reduce the damage of human factors to products in the shaping process, has good shaping effect, and respectively shapes the longitudinal steel pipe and the transverse steel pipe once after welding each transverse steel pipe, thereby effectively reducing the deformation of the products and improving the welding quality;

the utility model discloses can adjust welding pressure, adapt to the difference of different batches of steel pipe materials, improve welding quality.

The present invention will be described in detail with reference to the accompanying drawings and examples.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic perspective view of a longitudinal tube feeding unit;

FIG. 3 is a front view of the longitudinal tube feeding unit;

FIG. 4 is an enlarged view at A in FIG. 3;

FIG. 5 is a schematic structural diagram of an electrode actuating unit;

FIG. 6 is a schematic structural view of an electrode actuating assembly;

FIG. 7 is a partial schematic view of an electrode action assembly;

FIG. 8 is a cross-sectional view of an electrode actuating assembly;

FIG. 9 is another cross-sectional view of the electrode actuating assembly;

FIG. 10 is a schematic view of a workpiece lifting assembly;

figure 11 is a schematic view of the cross tube support assembly configuration;

FIG. 12 is a schematic view of the lower electrode and lower drive assembly;

FIG. 13 is a schematic view of a longitudinal pipe reforming device;

FIG. 14 is a schematic structural view of a cross tube upper assembly;

fig. 15 is a schematic structural view of the cross tube shaping device;

fig. 16 is a cross-sectional view of the cross tube shaping device;

FIG. 17 is a schematic view of a second shaping block jacking a transverse steel tube;

FIG. 18 is a schematic view of the longitudinal tube feeding assistance device;

FIG. 19 is a schematic view of a heat sink;

in the figure, the position of the upper end of the main shaft,

1-main frame, 2-longitudinal pipe feeding unit, 21-bracket, 22-first stopper, 23-first guide rail, 24-drag chain supporting plate, 25-second guide rail, 26-drag chain, 27-driving gear, 28-first slider, 29-driving motor, 210-first seat plate, 211-positioning shaft seat, 212-compactor, 213-motor frame, 214-positioning shaft, 2141-mounting part, 2142-annular groove, 215-first baffle, 216-fixing seat, 217-rack, 3-electrode action unit, 31-second stopper, 32-transformer, 33-power supply flexible connection, 34-straight conductive plate, 35-U type conductive plate, 36-upper electrode, 37-lower electrode, 38-upper electrode seat, 39-upper electrode connecting plate, 310-upper electrode flexible connection, 311-lower electrode base, 312-lower electrode connecting plate, 313-first groove, 314-second groove, 315-lower electrode flexible connection, 316-connecting block, 317-first insulating pad, 318-sliding rod, 319-linear bearing, 320-fixing sleeve, 321-connecting screw sleeve, 322-first oil cylinder, 323-guiding block, 324-guiding base, 325-piston rod connecting plate, 326-second oil cylinder, 327-oil cylinder base plate, 328-vertical plate, 329-first supporting plate, 330-first air cylinder, 331-air cylinder frame, 332-connecting side plate, 333-second supporting plate, 334-supporting plate, 335-second air cylinder, 336-third guide rail, 337-side fixing plate, 338-third groove, 339-second insulating pad, 4-longitudinal pipe shaping device, 41-connecting piece, 42-first fixing plate, 43-guide sleeve, 44-third oil cylinder, 45-third limiting block, 46-first limiting switch, 47-connecting sleeve, 48-guide shaft, 49-linear bearing, 410-first shaping block, 411-blocking plate, 412-connecting plate, 413-fixing pin, 414-support frame support, 415-mounting plate, 416-blocking ring, 5-transverse pipe conveying device, 6-transverse pipe upper piece device, 61-linear guide rail, 62-rodless cylinder, 63-second fixing plate, 64-connecting frame, 65-third cylinder, 66-first sensor, 67-second sensor, 68-cylinder driver, 69-a second seat plate, 610-a jaw, 611-a second slide block, 7-a transverse pipe shaping device, 71-a fourth guide rail, 72-a guide rail lock, 73-a third slide block, 74-a slide seat, 75-a movable block, 76-a second shaping block, 77-a support plate, 78-a limiting plate, 79-an adjusting bolt, 710-a fixed block, 711-a fourth oil cylinder, 712-an oil cylinder seat, 713-a second limit switch, 714-a second baffle, 715-a side plate, 8-a longitudinal pipe feeding auxiliary device, 81-a roller, 82-a roller shaft, 83-a roller frame, 84-a third air cylinder, 85-an air cylinder fixing frame, 9-a shaping pressing device, 10-a power supply control box, 11-a hydraulic system and 12-an electric control cabinet, 13-control box.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.

Example 1

As shown in fig. 1, the utility model provides an automatic welding equipment for radiators, which comprises a longitudinal pipe feeding unit 2, an electrode action unit 3, a shaping unit, a horizontal pipe feeding unit, a control system, a hydraulic system and an air supply system; the longitudinal tube feeding unit 2, the electrode action unit 3 and the shaping unit are all arranged on the main frame 1; the shaping unit comprises a longitudinal pipe shaping device 4 for shaping a longitudinal steel pipe, a transverse pipe shaping device 7 for shaping a transverse steel pipe, and a shaping and pressing unit 9 for pressing a workpiece when the longitudinal steel pipe and the transverse steel pipe are shaped; the number of the transverse pipe shaping devices 7 is two, and the two transverse pipe shaping devices 7 are respectively arranged at the two side parts of the electrode action unit 3; the two transverse pipe shaping devices 7 are slidably arranged on the main rack 1; the longitudinal pipe shaping device 4 is arranged on the side part of the electrode action unit 3 corresponding to one end of the workpiece discharging; the shaping and pressing device 9 is arranged on the side part of the electrode action unit corresponding to workpiece feeding.

The longitudinal pipe feeding unit 2 is used for feeding and positioning the longitudinal steel pipe so as to enable the longitudinal steel pipe to reach a specified welding position, and the longitudinal pipe feeding unit 2 is arranged on the side part of the electrode action unit 3 corresponding to the feeding end of the workpiece; the electrode action unit 3 is used for welding the horizontal steel pipe to the longitudinal steel pipe; the longitudinal pipe feeding auxiliary device 8 is used for lifting a welding workpiece and assisting the longitudinal pipe feeding unit 2 to act; the vertical tube feeding auxiliary device 8 is provided between the electrode action unit 3 and the vertical tube feeding unit 2.

The number of the horizontal tube feeding units is two, and the two horizontal tube feeding units are respectively arranged at two opposite side parts of the electrode action unit 3; the transverse pipe feeding unit comprises a transverse pipe conveying device 5 and a transverse pipe upper piece device 6, the transverse steel conveying device 5 conveys a transverse steel pipe to a grabbing position of the transverse pipe upper piece device 6, and the transverse steel pipe upper piece device 6 places the transverse steel pipe on a welding hole position of a longitudinal steel pipe; the cross tube upper piece device 6 is arranged on the main frame 1.

The control system controls each part of the welding equipment to automatically complete actions; the control system comprises an electric control cabinet 12, an operation control box 13 arranged on the electric control cabinet 12 and a power supply control cabinet 10; the hydraulic system 11 is used for providing hydraulic power for the welding equipment.

As shown in fig. 2-4, the longitudinal pipe feeding unit 2 includes a positioning assembly and a pushing assembly, the positioning assembly is used for positioning and fixing the longitudinal steel pipe, and the pushing assembly pushes the longitudinal steel pipe forward to the next hole to be welded according to a preset feeding distance.

Locating component and propulsion unit all set up on support 21, locating component includes the location axle 214 that two parallel intervals set up, location axle 214 is used for the fixed steel pipe of indulging of location, when the location is fixed, will indulge the steel pipe and peg graft and fix on location axle 214, the diameter size of location axle 214 is confirmed according to the internal diameter size of indulging the steel pipe.

One end of the positioning shaft 214 is fixed on the fixing seat 216, the other end of the positioning shaft is arranged in a suspending mode, specifically, a groove is formed in the fixing seat 216, an installation portion 2141 and an annular groove 2142 are sequentially arranged at one end of the positioning shaft 214, the installation portion 2141 is installed in the groove of the fixing seat 216 and is pressed and fixed through the pressing device 212, and the pressing device 212 is fixedly installed on the positioning shaft seat 11.

A first baffle plate 215 is arranged below the corresponding annular groove 2142, and the side part of the first baffle plate 215 is abutted against the end part of the mounting part 2141, so that the positioning shaft 214 is axially positioned; the first baffle 215 is fixed on the side of the fixed seat 216.

The fixing seat 216 is fixed at one end of the positioning shaft seat 211, the positioning shaft seat 211 is fixed on the first seat plate 210, and the first seat plate 210 is slidably arranged on the bracket 21 through the propelling unit, so that the longitudinal steel pipe is pushed to move forwards to a next position to be welded.

The propulsion unit comprises a first guide rail 23 and a second guide rail 25, and the first guide rail 23 and the second guide rail 25 are arranged on the top of the bracket 21 in parallel; the first guide rail 23 and the second guide rail 25 are both provided with a first sliding block 28 in a sliding manner; the bottom of the first seat plate 210 is fixed on the first slide block 28; the first seat plate 210 slides along the first rail 23 and the second rail 25 by the first slider 28.

A rack 217 is arranged on the side of the second guide rail 25, and the rack 217 and the second guide rail 25 are integrally formed; the rack 217 is meshed with a driving gear 27, and the driving gear 27 is fixedly arranged on an output shaft of the driving motor 29; the driving motor 29 is fixed to a lower side of the first seat plate 210 by a motor frame 213.

The driving motor 29 is connected with the control system, and the control system controls the driving motor 29 to act.

Two ends of the bracket 21 are provided with first limit blocks 22, and the first limit blocks 22 prevent the first sliding block 28 from derailing or colliding to cause damage to other parts; the first stopper 22 is disposed between the first guide rail 23 and the second guide rail 25.

The side part of the motor frame 213 is fixedly connected with one end of a drag chain 26, the other end of the drag chain 26 is fixedly connected with a drag chain supporting plate 24, and the drag chain supporting plate 24 is fixed on the side part of the bracket 21.

When the longitudinal pipe feeding unit works, the longitudinal steel pipe is inserted and fixed on the positioning shaft 214, the control system controls the driving motor 29 to act, the first base plate 210 is driven to move along the guide rail through gear and rack transmission, the longitudinal steel pipe fixed on the positioning shaft 214 is driven to move, and therefore the longitudinal steel pipe is moved to the welding position of the next transverse steel pipe.

As shown in fig. 14, the transverse pipe upper device 6 comprises a grabbing mechanism, a horizontal moving mechanism and a lifting mechanism, wherein the grabbing mechanism is used for grabbing and putting down a transverse steel pipe;

the grabbing mechanism is arranged on the lifting mechanism and is driven to move up and down through the lifting mechanism; the lifting mechanism is arranged on the horizontal moving mechanism, and the lifting mechanism and the grabbing mechanism are driven by the horizontal moving mechanism to move horizontally together.

The grabbing mechanism is a pneumatic claw, the pneumatic claw comprises two claws 610 and an air cylinder driver 68 which are oppositely arranged, the two claws 610 are respectively connected to two pistons of the air cylinder driver 68, and the two claws 610 are driven by the air cylinder driver 68 to move oppositely or reversely so as to realize the opening and closing of the pneumatic claws; the cylinder driver 68 is connected to the control system.

The pneumatic jaws are fixed to a second seat plate 69, the second seat plate 69 being fixed to the lifting mechanism.

The lifting mechanism comprises a third cylinder 65, the third cylinder 65 is an adjustable stroke cylinder, the pneumatic clamping jaw is fixed on an expansion link of the third cylinder 65 through a second seat plate 69, and the third cylinder 65 is installed on a second fixing plate 63; the pneumatic clamping jaws are driven to move up and down by the expansion of the third air cylinder 65; the third cylinder 65 is connected to the control system.

The second fixing plate 63 is connected with a horizontal moving mechanism, the horizontal moving mechanism includes a linear guide rail 61, the second fixing plate 63 is slidably disposed on the linear guide rail 61 through a second slider 611, and the linear guide rail 61 is fixed on a rack of the welding equipment.

The other end of the second fixing plate 63 is fixedly connected with a connecting frame 64, the other end of the connecting frame 64 is connected with a rodless cylinder 62, the rodless cylinder 62 drives the second fixing plate 63 to horizontally move through the connecting frame 64, so that the pneumatic clamping jaws are communicated with the lifting mechanism to horizontally move together, and the rodless cylinder 62 is connected with a control system.

In order to avoid the air-actuated jaws from being grabbed, the steel pipe loading device is further provided with a first sensor 66, the first sensor 66 is used for detecting whether a steel pipe exists at the steel pipe placing position, the first sensor 66 is arranged on the side part of the air-actuated jaws, and the first sensor 66 is arranged corresponding to the grabbing position of the closed two jaws 610; when the first sensor 66 detects that a steel pipe is arranged at the steel pipe placing position, a signal is sent to the control system, and the control system controls the air cylinder driver 68 to drive the clamping jaws 610 to be closed to grab the steel pipe.

The steel pipe loading device further comprises a second sensor 67, the second sensor 67 is used for detecting whether the two clamping jaws 610 are in an open state, the second sensor 67 is arranged at a position corresponding to the open state of the clamping jaws 610, the second sensor 67 is fixed on the air cylinder driver 68, and the second sensor 67 is connected with the control system.

The transverse pipe upper part device 6 is matched with the transverse pipe conveying device 5 for use, the transverse pipe conveying device 5 is arranged at one end of a grabbing position of the transverse pipe upper part device 6, when the transverse pipe upper part device works, the transverse pipe conveying device 5 conveys a transverse steel pipe to a preset grabbing position, the second sensor 67 firstly detects whether a pneumatic clamping jaw is in an opening state, if the pneumatic clamping jaw is in the opening state, the second sensor 67 sends a signal to the control system, the control system controls the rodless cylinder 62 to act to drive the second fixing plate 63 to move along the linear guide rail to drive the pneumatic clamping jaw to be above the transverse steel pipe placing position, the first sensor 66 detects that the transverse steel pipe exists in the transverse steel pipe placing position, sends a signal to the control system, the control system controls the third cylinder 65 to drive the pneumatic clamping jaw to descend to the grabbing position, then the cylinder driver 68 drives the two clamping jaws 610 to be closed to grab the transverse steel pipe, then the third cylinder 65 drives the pneumatic jack catch to rise, the rodless cylinder 62 drives the second fixing plate 63 to move along the linear guide rail to drive the pneumatic jack catch to the position above the welding position of the horizontal steel pipe, then the third cylinder 65 drives the pneumatic jack catch to fall, the horizontal steel pipe is placed on the welding hole position of the longitudinal steel pipe, after the motor action unit 3 is pressed down, the cylinder driver drives the two jack catches to be opened, and then the horizontal pipe loading device returns to the loading position to wait for next loading.

As shown in fig. 5-12, the electrode actuating unit 3 includes a power supply assembly, an electrode actuating assembly, a workpiece lifting assembly, and a transverse tube supporting assembly, the power supply assembly and the electrode actuating assembly are both disposed on the main frame 1, and the power supply assembly provides power for the electrode actuating assembly; the workpiece lifting assembly is used for lifting a welded workpiece, and can prevent a welded transverse steel pipe from blocking the feeding of a longitudinal steel pipe when a radiator with the transverse steel pipe arranged on two sides is welded; the transverse pipe bearing assembly is used for dragging a welded transverse steel pipe so as to keep the workpiece balanced in the feeding process.

The power supply assembly comprises two transformers 32, the number of the transformers 32 is two, two transformers 32 are fixed on the main frame 1, two output ends are arranged on each transformer 32, each output end of each transformer 32 is connected with one end of a conductive plate through a power supply flexible connection 33, and each conductive plate comprises a straight conductive plate 34 and a U-shaped conductive plate 35 which are connected with each other.

The electrode action component comprises an upper electrode 36 and a lower electrode 37 which are matched, the upper electrode 36 comprises two electrodes which are the same in size and shape, and a gap is arranged between the two electrodes.

The bottom surface of the upper electrode 36 is provided with a first groove 313, and the section of the first groove 313 is a semicircle.

The two electrodes of the upper electrode 36 are respectively fixed on an upper electrode base 38, the two upper electrode bases 38 are respectively fixed on upper electrode connecting plates 39, the two upper electrode connecting plates 39 are respectively connected with an upper electrode flexible connection 310, and the two upper electrode flexible connections 310 are respectively connected with conducting plates connected with two transformers, so that the two electrodes of the upper electrode 36 are respectively connected with one output end of the two transformers 32, and poor welding caused by current bias at two holes on two vertical pipes during welding is prevented.

The top surface of the lower electrode 37 is provided with two second grooves 314, the cross section of each second groove 314 is a semicircle, and the second grooves 314 are perpendicular to the first grooves 313.

The lower electrode 37 is further provided with a plurality of third grooves 338 perpendicular to the second grooves 314, the plurality of third grooves 338 are uniformly arranged at intervals along the length direction of the second grooves 314, the third grooves 338 divide the second grooves 314 into discontinuous segments, the third grooves 338 are used for placing welded transverse steel tubes, and the distance between every two adjacent third grooves 338 corresponds to the distance between every two adjacent transverse steel tubes on the radiator; the third groove 338 is an open groove having a square cross section.

The lower electrode 37 is fixed on the lower electrode connecting plate 312, two side portions of the lower electrode connecting plate 312 are respectively connected with a lower electrode flexible connection 315, and the two lower electrode flexible connections 315 are respectively connected with the conductive plates connected with the two transformers, so that the two side portions of the lower electrode 37 are connected with the other output end of the two transformers 32.

Further, the upper electrode connecting plate 39 is mounted on the upper driving assembly in an insulated manner, and the upper electrode 36 is driven by the upper driving assembly to move up and down. The upper driving assembly comprises a connecting block 316, the upper electrode connecting plate 39 is fixed on the connecting block 316, the connecting block 316 is fixed at one end of a sliding rod 318, and the sliding rod 318 is slidably arranged in a fixed sleeve 320 through a linear bearing 319; the linear bearing 319 is fixed in the fixing sleeve 320; the side of the fixing sleeve 320 is fixed on the main frame 1.

The other end of the sliding rod 318 is connected with an expansion rod of a first oil cylinder 322 through a connecting threaded sleeve 321, and the first oil cylinder 322 is fixed at the top of the fixed sleeve 320 through flange connection.

In order to prevent the current from being conducted to the slide bar, the linear bearing, and the like through the connection block 316, a first insulating pad 317 is disposed between the upper electrode connection plate 39 and the connection block 316, and the current is isolated by the first insulating pad 317.

First hydro-cylinder 322 is adjustable pressure cylinder, first hydro-cylinder 322's piston rod slides from the cylinder bottom and stretches out, one of the cylinder bottom that stretches out of first hydro-cylinder 322 piston rod is served and is equipped with stroke adjustment part, stroke adjustment part is second stopper 31, second stopper 31 and first hydro-cylinder 22's piston rod threaded connection, through adjusting the position of second stopper 31 on first hydro-cylinder 322 piston rod, adjust the stroke of first hydro-cylinder 322 to adjust the removal stroke of upper electrode.

The lower electrode connecting plate 312 is mounted on the lower driving assembly in an insulated manner, and drives the lower electrode 37 to move up and down through the lower driving assembly. The lower driving assembly comprises a lower electrode holder 311, and the lower electrode connecting plate 312 is arranged on the lower electrode holder 311; a second insulating pad 339 is arranged between the lower electrode connecting plate 312 and the lower electrode holder 311, and current is isolated through the second insulating pad; the lower end of the lower electrode holder 311 is fixed on a guide block 323, the guide block 323 is arranged on a guide holder 324 in a sliding manner, a U-shaped slot is vertically arranged on the guide holder 324, and the guide block 323 is arranged in the U-shaped slot in a sliding manner; a cover plate 329 is arranged on one side of the guide seat 324 corresponding to the U-shaped slotted opening; the guide 324 is fixed to a vertical plate 328, and the vertical plate 328 is fixed to the main frame 1.

The guide block 323 is connected with a piston rod connecting plate 325, and the piston rod connecting plate 325 is connected with a piston rod of a second oil cylinder 326; the second cylinder 326 is fixed to a cylinder seat plate 327, and the cylinder seat plate 327 is fixed to a lower end of the guide seat 324.

The workpiece lifting assembly is arranged on one side of the electrode action unit corresponding to the feeding direction of the longitudinal steel pipe, the workpiece lifting unit comprises a first supporting plate 329, the first supporting plate 329 is a square plate, the upper surface of the first supporting plate 329 is smooth, the bottom center of the first supporting plate 329 is fixed on a telescopic rod of a first air cylinder 330, the first air cylinder 330 is fixed on an air cylinder frame 331, the air cylinder frame 331 is fixed on a connecting side plate 332, and the connecting side plate 332 is fixed on the main frame 1.

The number of the transverse pipe supporting assemblies is two, the two transverse pipe supporting assemblies are symmetrically arranged on the other side, corresponding to the workpiece lifting assembly, of the electrode action assembly, and the transverse pipe supporting assemblies are arranged on the third guide rail 336 in a sliding mode, so that the distance between the two transverse pipe supporting assemblies can be adjusted, and the transverse pipe supporting assemblies can adapt to transverse steel pipes with different lengths; the transverse pipe supporting assembly comprises a second supporting plate 333, the second supporting plate 333 is a rectangular plate, the upper surface of the second supporting plate 333 is smooth, the second supporting plate 333 is fixed at one end of a supporting plate 334, the other end of the supporting plate 334 is fixed on an expansion link of a second air cylinder 335, the side portion of the second air cylinder 335 is fixed on a side fixing plate 337, the side fixing plate 337 is arranged on a third guide rail 336 in a sliding mode through a sliding block, and the third guide rail 336 is arranged on the main frame 1.

When the electrode action unit works, firstly, a longitudinal steel pipe is conveyed to a second groove of the lower electrode through the longitudinal pipe feeding unit 2, then a transverse steel pipe is placed on the longitudinal steel pipe through the transverse pipe upper piece device 6, holes in the transverse steel pipe and the longitudinal steel pipe are aligned, namely welding hole positions of the transverse steel pipe and the longitudinal steel pipe are aligned, then the lower electrode is fixed, when an action signal is obtained, the first oil cylinder drives the linear bearing to move downwards through the connecting threaded sleeve connected with the piston rod of the first oil cylinder, the first groove of the upper electrode is pressed on a workpiece to be welded, a power supply is switched on, and one-time welding is completed.

When welding the radiator that the two-sided setting of horizontal steel pipe, at first according to the welding of the one side horizontal steel pipe of single face welded operating procedure completion, then the upset work piece carries out the welding of another side, because the well welded horizontal steel pipe is at the downside of work piece, can cause the hindrance in the feeding process of work piece, and because the welding has horizontal steel pipe, make the work piece feed unstably, so in the welding process, when the work piece feeds, work piece lifting assembly action, specifically, first cylinder drives first layer board and rises, hold up the work piece upwards, violently manage the supporting component action simultaneously, hold the horizontal steel pipe that welds well, make the work piece keep balance, then the second cylinder drives down electrode through the guide holder and moves downwards, make work piece and bottom electrode throw off the certain distance, the work piece downside collides with the bottom electrode top when avoiding feeding. When the workpiece is fed to the next position, the second oil cylinder drives the lower electrode to ascend and support the workpiece, and then the transverse steel pipes welded on the lower side surface of the workpiece are just clamped in the third groove of the lower electrode in sequence, so that the welding process is not hindered; then the workpiece lifting component and the transverse pipe supporting component recover to the original positions, and finally the upper electrode repeats the welding action to finish one-time welding.

It should be noted that, when the radiator with the horizontal steel pipe arranged on one side is welded, the horizontal pipe supporting assembly and the vertical pipe feeding auxiliary device cooperate to assist the vertical pipe feeding unit to complete the feeding action of the vertical steel pipe.

As shown in fig. 13, the longitudinal pipe shaping device 4 includes a first shaping block 410, the first shaping block 410 is a rectangular parallelepiped or square structure, the first shaping block 410 is fixed on a connecting plate 412, specifically, a U-shaped slot is provided on the connecting plate 412, and the first shaping block 410 is fixed in the U-shaped slot by a fixing pin 413.

The top of the connecting plate 412 is fixedly connected with the guide shaft 48, the upper end of the guide shaft 48 is fixedly connected with the piston rod of the third oil cylinder 44 through a connecting sleeve 47, and the third oil cylinder 44 is fixedly connected with the top of the guide sleeve 43 through a flange.

A circular through hole is formed in the guide sleeve 43, and a linear bearing 49 is fixedly arranged in the circular through hole; the guide shaft 48 is slidably connected within a linear bearing 49.

The side part of the guide sleeve 43 is fixedly connected to the first fixing plate 42, and the guide sleeve 43 and the first fixing plate 42 are fixedly connected through a key.

The lower end of the guide sleeve 43 is provided with a blocking plate 411, and the guide shaft 48 slides to penetrate through the blocking plate 411.

The side of the first fixing plate 42 is fixed to the connecting plate 41, and the connecting plate 41 is fixed to the main frame 1.

The piston rod of the third oil cylinder 44 is extended out from the cylinder bottom in a sliding manner, one end, extending out of the cylinder bottom, of the piston rod of the third oil cylinder 44 is provided with a stroke adjusting part, the stroke adjusting part is a third limiting block 45, the third limiting block 45 is in threaded connection with the piston rod of the third oil cylinder 44, the stroke of the third oil cylinder 44 is adjusted by adjusting the position of the third limiting block 45 on the piston rod of the third oil cylinder 44, so that the moving stroke of the first shaping block 410 is adjusted, and the pressure of the first shaping block 410 is adjusted or the longitudinal steel pipes with different diameters are adapted.

The longitudinal pipe shaping device also comprises a position detection part, wherein the position detection part is used for detecting the ascending highest position and the descending lowest position of the shaping block so as to monitor the situation that the shaping block is not pressed down or lifted up; the position detection part comprises two first limit switches 46 which are arranged at intervals up and down, and the distance between the two first limit switches 46 is equal to the stroke of the third oil cylinder 44; the first limit switch 46 is matched with the baffle ring 416 and used for sensing the position of the first shaping block 410, and the baffle ring 416 is integrally arranged at one end of the third limit block 45; the first limit switch 46 is connected to the control system.

First limit switch 46 installs on support frame 414, specifically, be equipped with the mounting groove on the support frame 414, first limit switch 46 establishes in the mounting groove to the position in the mounting groove is adjustable, holds in the palm different strokes in order to adapt to third hydro-cylinder 44.

The support frame 414 is fixed to a mounting plate 415, and the mounting plate 415 is fixed to a frame of the welding device.

When the longitudinal pipe shaping device works, after a transverse steel pipe is welded, the welding clamping state is kept still, the workpiece is pressed tightly through the shaping pressing unit 9, then the third oil cylinder 44 extends downwards, the first shaping block 410 is driven to press downwards on the unwelded part of the longitudinal steel pipe of the radiator through the guide shaft 48, and at the moment, the shaping block applies downward pressure to the longitudinal steel pipe, so that the bending deformation of the longitudinal steel pipe caused by welding can be corrected.

As shown in fig. 15 to 17, the transverse tube shaping device 7 includes a second shaping block 76, the second shaping block 76 is a square flat plate, the second shaping block 76 is fixed on a support plate 77, the support plate 77 is fixed on a lifting assembly, and the second shaping block 76 is driven by the lifting assembly to move up and down.

The lifting assembly comprises a movable block 75, and the supporting plate 77 is fixed at the top of the movable block 75; the movable block 75 is slidably arranged on the sliding seat 74, a vertically arranged open slot is arranged on the sliding seat 74, the cross section of the open slot is U-shaped, and the movable block 75 is slidably arranged in the open slot; the thickness of the movable block 75 is smaller than the depth of the open slot.

The bottom end of the movable block 75 is fixedly connected with the telescopic end of the fourth oil cylinder 711, and the movable block 75 moves up and down in the open slot by the telescopic end of the fourth oil cylinder 711; the fourth cylinder 711 is fixed to a cylinder block 712, and the cylinder block 712 is fixed to the slide block 74.

The steel pipe side shaping device further comprises an adjusting component, the adjusting component is used for adjusting the up-down lifting stroke of the second shaping block 76 so as to adapt to the transverse steel pipes with different diameters, the adjusting component comprises an adjusting bolt 79, the adjusting bolt 79 penetrates through a fixed block 710, the adjusting bolt 79 is in threaded connection with the fixed block 710, the fixed block 710 is fixed on the side portion of the movable block 75, and a limiting plate 78 is arranged above the fixed block 710; when the fourth oil cylinder 711 drives the movable block 75 to ascend, the top end of the adjusting bolt 79 contacts the limiting plate 78 to play a limiting role; the stroke of the fourth oil cylinder 711 is adjusted by adjusting the length of the upper end of the adjusting bolt 79 extending out of the fixing block 710, so that the up-down lifting stroke of the second shaping block 76 can be adjusted, and the device can be suitable for transverse steel pipes with different diameters.

A second limit switch 713 is arranged on the side of the sliding seat 74, the second limit switch 713 is matched with a second baffle 714 and used for sensing the position of the second shaping block 76, the second baffle 714 is fixed on the side of the movable block 75 and moves up and down along with the movable block 75, and one end of the second baffle 714 extends out to be matched with the second limit switch 713, so that the position detection of the second shaping block 76 is realized.

The sliding seat 74 is fixed on a side plate 715, the side plate 715 is slidably connected to the fourth guide rail 71 through a third slider 73, and the sliding direction of the sliding seat 74 is perpendicular to the sliding direction of the movable block 75; a rail lock 72 is provided between the third slider 73 and the fourth rail 71, and the third slider 73 and the fourth rail 71 are locked at predetermined positions by the rail lock 72.

The fourth guide rail 71 is fixed to the main frame 1.

The sliding seat 74 slides along the fourth guide rail 71, and the left and right positions of the second shaping block 76 can be adjusted to adapt to transverse steel pipes with different lengths.

When the transverse pipe shaping device 7 works, after a transverse steel pipe is welded, the welding clamping state is kept still, the workpiece is pressed through the shaping pressing unit 9, the fourth oil cylinder 711 extends out, the second shaping block 76 is driven to rise upwards through the movable block 75 until the second shaping block 76 abuts against the bottom surface of the end part of the transverse steel pipe, an upward force is applied to the transverse steel pipe, the transverse steel pipe is enabled to generate upward bending deformation, and therefore the bending deformation generated by welding is counteracted.

Violently manage shaping device can realize carrying out the plastic automatically after welding horizontal steel pipe, and the plastic deviation is little, and the plastic is effectual, can weld the plastic simultaneously.

As shown in fig. 18, the longitudinal pipe feeding auxiliary device 8 includes a roller 81, the roller 81 is cylindrical, and the surface of the roller 81 is smooth; the roller 81 is rotatably arranged on the roller shaft 82, two ends of the roller shaft 82 are fixed on the roller frame 83, the roller frame 83 is of a U-shaped structure, the bottom of the roller frame 83 is fixed at the telescopic end of the third cylinder 84, the roller 81 is driven to ascend through the third cylinder 84, so that the longitudinal steel pipe is supported when the longitudinal steel pipe is fed in the welding process of the radiator, the longitudinal steel pipe is separated from the electrode, and the longitudinal steel pipe is fed forwards along the roller.

The third air cylinder 84 is fixed on a lower air cylinder fixing frame 85, and the air cylinder fixing frame 85 is fixed on the main frame 1.

The longitudinal pipe feeding auxiliary device 8 is arranged adjacent to the workpiece lifting assembly in the electrode action unit 3, and lifts a workpiece when a radiator arranged on one side of the transverse steel pipe is welded; when the radiators with the two sides of the transverse steel pipe are welded, and when the transverse steel pipe with one side welded and the other side welded is welded, the workpiece lifting assembly lifts the workpiece, so that the longitudinal steel pipe can be smoothly fed.

The utility model discloses a theory of operation:

when welding a radiator arranged on one side of a transverse steel pipe, firstly, starting a power supply to enable a control system to operate, starting a hydraulic system and starting an air supply system; and presetting control parameters according to different models of the welding radiator.

Then a longitudinal pipe feeding unit sends a first welding hole position of a longitudinal steel pipe to a welding position of an electrode action assembly, a transverse pipe is installed on a transverse pipe conveying device and conveyed to a preset grabbing position, the transverse pipe is grabbed by a transverse pipe upper device and placed on the longitudinal steel pipe, the welding hole position of a transverse steel pipe is aligned with the welding hole position of the longitudinal steel pipe, after the feeding is finished, the longitudinal pipe feeding unit is successively retreated to the tail end, meanwhile, in the process that a transverse pipe upper device retreats, the electrode action assembly acts, an upper electrode and a lower electrode are matched to weld the transverse steel pipe to the longitudinal steel pipe, the upper electrode keeps still after one transverse pipe is welded, a shaping and pressing device is pressed on a workpiece, then, a longitudinal pipe shaping device repeatedly presses down the rear end of the longitudinal steel pipe, the longitudinal steel pipe keeps certain deformation, and the thermal deformation caused by the welding is corrected; meanwhile, the transverse pipe shaping device acts to push the transverse pipe upwards for a certain distance, and the bending of the transverse steel pipe caused by welding is corrected. Then the horizontal pipe shaping device resets, the shaping pressing device resets, and the upper electrode resets; then the longitudinal pipe feeding auxiliary device is lifted to separate the longitudinal pipe from the lower electrode, meanwhile, the transverse pipe supporting assembly acts to support the transverse pipe, so that the welded transverse steel pipe and the welded longitudinal steel pipe are kept balanced, and the longitudinal pipe feeding unit feeds the longitudinal steel pipe to the next welding hole; and finally, resetting the transverse pipe supporting assembly and the longitudinal pipe feeding auxiliary device. And starting the next welding cycle until the whole welding workpiece is welded.

When the radiators arranged on the two sides of the transverse steel pipe are welded, the transverse steel pipe on one side is completely welded according to the single-side welding step, then the workpiece is turned, when the workpiece is fed, the workpiece lifting assembly acts to lift the workpiece upwards, meanwhile, the transverse pipe supporting assembly acts to drag the welded transverse steel pipe to keep the workpiece balanced, then the lower electrode moves downwards to separate the workpiece from the lower electrode for a certain distance, the collision between the lower side surface of the workpiece and the top end of the lower electrode during feeding is avoided, then the longitudinal pipe feeding unit feeds the longitudinal pipe to the next welding hole position, then the lower electrode lifts to support the workpiece, and at the moment, the transverse steel pipe welded on the lower side surface of the workpiece is just clamped in the third groove of the lower electrode in sequence, and the welding process is not hindered; then the workpiece lifting component and the transverse pipe supporting component reset, and the electrode action component acts to complete the welding action.

The utility model discloses degree of automation that can improve equipment reduces artifical input, and reduction in production cost improves production efficiency, improves product quality.

The utility model can realize the welding of the radiator with the horizontal steel pipe arranged on the single surface and the welding of the radiator with the horizontal steel pipe arranged on the double surfaces, thereby improving the applicability of the equipment and the welding efficiency;

the utility model can realize the automatic feeding of longitudinal steel pipes and the automatic loading of transverse steel pipes, improve the accuracy of welding hole position positioning and improve the welding quality;

the utility model can realize automatic shaping, reduce the damage of human factors to products in the shaping process, has good shaping effect, and respectively shapes the longitudinal steel pipe and the transverse steel pipe once after welding each transverse steel pipe, thereby effectively reducing the deformation of the products and improving the welding quality;

the utility model discloses can adjust welding pressure, adapt to the difference of different batches of steel pipe materials, improve welding quality.

Horizontal steel conveyor and horizontal steel loading device divide into the left and right sides, can realize two sides defeated material loadings, and the complete machine structure is symmetrical structure, is convenient for realize horizontal steel pipe two sides and arranges or welding forms such as unilateral arranging, and the practicality is wide.

The foregoing is illustrative of the best mode of the invention, and details not described herein are within the common general knowledge of a person of ordinary skill in the art. The protection scope of the present invention is subject to the content of the claims, and any equivalent transformation based on the technical teaching of the present invention is also within the protection scope of the present invention.

Claims (10)

1. The utility model provides a radiator automation of welding equipment which characterized in that: the device comprises an electrode action unit (3), wherein horizontal pipe shaping devices (7) are arranged on two side parts of the electrode action unit (3), and a longitudinal pipe shaping device (4) is arranged on the side part of the electrode action unit (3) corresponding to one end of a workpiece, which discharges materials;

the device is characterized by also comprising a longitudinal tube feeding unit (2), wherein the longitudinal tube feeding unit (2) is arranged on the side part of the electrode action unit (3) corresponding to the feeding end of the workpiece;

the electrode action unit also comprises transverse pipe upper part devices (6) which are symmetrically arranged at two corresponding side parts of the electrode action unit (3);

the electrode action unit (3) welds the transverse steel pipe of the radiator to the longitudinal steel pipe, and the longitudinal pipe shaping device (4) and the transverse pipe shaping device (7) respectively shape the longitudinal steel pipe and the transverse steel pipe after each welding of one transverse steel pipe.

2. The automated welding apparatus for heat sinks of claim 1, wherein: the electrode action unit (3) comprises an electrode action component, a workpiece lifting component and two transverse tube supporting components which are symmetrically arranged, and the electrode action component is used for realizing welding action;

the workpiece lifting assembly is arranged on one side of the electrode action assembly corresponding to the workpiece feeding direction;

the transverse pipe supporting component is arranged on the other side of the electrode action component, which corresponds to the workpiece lifting component;

the transverse pipe supporting component is used for supporting a welded transverse steel pipe; when the radiators with the two sides of the transverse steel pipe are welded, the workpiece lifting assembly is used for lifting the workpiece with the welded transverse steel pipe on one side.

3. The automated welding apparatus for heat sinks of claim 1, wherein: the longitudinal pipe feeding unit (2) comprises two positioning shafts (214) which are arranged in parallel at intervals; one end of the positioning shaft (214) is fixed on the fixed seat (216), and the other end of the positioning shaft is suspended; the fixing seat (216) is fixed at one end of the positioning shaft seat (211), the positioning shaft seat (211) is fixed on the first seat plate (210), and the first seat plate (210) is arranged on the support (21) in a sliding mode.

4. The automated welding apparatus for heat sinks of claim 1, wherein: indulge pipe shaping device (4) and include first shaping piece (410), shaping piece (410) are fixed on connecting plate (412), the top and guiding axle (48) fixed connection of connecting plate (412), the piston rod fixed connection of adapter sleeve (47) and third hydro-cylinder (44) is passed through to the upper end of guiding axle (48), drives first shaping piece (410) downstream through third hydro-cylinder (44) and exerts decurrent pressure to indulging the steel pipe, realizes the plastic.

5. The automated welding apparatus for heat sinks of claim 1, wherein: the electrode action assembly comprises an upper electrode (36) and a lower electrode (37) which are matched with each other, the upper electrode (36) and the lower electrode (37) are both connected with the transformer (32), and the upper electrode (36) and the lower electrode (37) can move up and down.

6. The automated welding apparatus for heat sinks of claim 1, wherein: the transverse pipe shaping device (7) comprises a second shaping block (76), the second shaping block (76) is fixed on the lifting assembly through a second supporting plate (77), and the second shaping block (76) is driven to move up and down through the lifting assembly to shape the transverse steel pipe.

7. The automated welding apparatus for heat sinks of claim 1, wherein: the transverse pipe upper piece device (6) comprises a pneumatic clamping jaw, the clamping jaw is used for grabbing a transverse steel pipe, the pneumatic clamping jaw is arranged on the lifting mechanism, and the lifting mechanism drives the grabbing mechanism to move up and down; the lifting mechanism is arranged on the horizontal moving mechanism, and the lifting mechanism and the grabbing mechanism are driven by the horizontal moving mechanism to move horizontally together.

8. The automated welding apparatus for heat sinks of claim 2, wherein: the workpiece lifting assembly comprises a first supporting plate (329), and the first supporting plate (329) is fixed on a telescopic rod of a first air cylinder (330);

the transverse pipe supporting assembly is arranged on a third guide rail (336) in a sliding mode; the transverse pipe bearing assembly comprises a second supporting plate (333), the second supporting plate (333) is fixed to one end of a supporting plate (334), the other end of the supporting plate (334) is fixed to an expansion rod of a second air cylinder (335), and the second air cylinder (335) is arranged on a third guide rail (336) in a sliding mode through a side fixing plate (337).

9. The automated welding apparatus for heat sinks of claim 5, wherein: a first groove (313) is formed in the bottom surface of the upper electrode (36); two second grooves (314) are formed in the top surface of the lower electrode (37), and the second grooves (314) are perpendicular to the first grooves (313);

a plurality of third grooves (338) which are perpendicular to the second grooves (314) are formed in the lower electrode (37), the third grooves (338) are uniformly arranged at intervals along the length direction of the second grooves (314), the second grooves (314) are divided into discontinuous sections by the third grooves (338), and the distance between every two adjacent third grooves (338) corresponds to the distance between every two adjacent transverse steel pipes on the radiator; the third groove (338) is an open groove with a square cross section.

10. The automated welding apparatus for heat sinks of claim 5, wherein: the upper electrode (36) comprises two electrodes with the same size and shape, and a gap is arranged between the two electrodes; the two electrodes are respectively fixed on an upper electrode seat (38), the upper electrode seat (38) is fixed on an upper electrode connecting plate (39), and the upper electrode connecting plate (39) is connected with a transformer (32) through an upper electrode flexible connection (310) and a conductive plate;

the lower electrode (37) is fixed on a lower electrode connecting plate (312), and the lower electrode connecting plate (312) is connected with the transformer (32) through a lower electrode flexible connection (315) and a conductive plate;

the upper electrode connecting plate (39) is mounted on the upper driving assembly in an insulated mode, and the lower electrode connecting plate (312) is mounted on the lower driving assembly in an insulated mode.

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